/**
 * Copyright (C) 2009 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package screen;

import net.jcip.annotations.GuardedBy;
import net.jcip.annotations.ThreadSafe;

import java.io.Closeable;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

@ThreadSafe
public class ResourceCloser implements Runnable {
    @GuardedBy ("lock")
    public final List<Closeable> toClose = new ArrayList<Closeable>();

    private final Object lock = new Object();

    public void run() {
        synchronized(lock) {
            for (Closeable resource : toClose) {
                try {
                    resource.close();
                } catch (IOException e) {
                }
            }
        }
    }

    public void schedule(Closeable resource) {
        synchronized(lock) {
            toClose.add(resource);
        }
    }
}
